That the variation to the consolidated facilities management contract for 160 Tooley Street with Interserve Plc, namely to expand the operational scope to include the 25 additional buildings listed at Appendix 1 for the period 1 November 2014 to 31 January 2018 at an estimated annual cost of £1.29m giving a total estimated minimum value for this variation of £4m, in turn giving a revised total contract value of £18.7m for the initial term be approved.